About the Authors

Wolfgang Beyer, Renate Haumacher, Karen A. Hilss, Judith Lazak
University of Hohenheim, Institute of Environmental and Animal Hygiene, Stuttgart, Germany

Steve Bellan, Holly H. Ganz, Wayne M. Getz, Wendy C. Turner
Department Environmental Science Policy and Management, University of California, Berkeley, California, United States of America

Gisela Eberle
Central Veterinary Laboratory, Ministry of Agriculture, Water and Forestry, Windhoek, Namibia

Wayne M. Getz
School of Mathematical Sciences, University of KwaZulu-Natal, Durban, South Africa

Werner Kilian
Etosha Ecological Institute, Ministry of Environment and Tourism, Okaukuejo, Namibia

Peter C. B. Turnbull
Salisbury, United Kingdom

Corresponding Author

wolfgang.beyer@uni-hohenheim.de

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WB GE WK JL PCBT. Performed the experiments: WB GE RH KAH JL PCBT. Analyzed the data: WB SB HHG WMG RH KAH JL WCT PCBT. Contributed reagents/materials/analysis tools: WB SB GE HHG WMG RH KAH WK JL WCT PCBT. Wrote the paper: WB SB HHG WMG WCT PCBT.